JPH0510582A - Wind-direction altering device - Google Patents

Abstract

(57) [Abstract] [Purpose] Two types of louvers are swung by one driving source to reduce the number of parts and space, while simplifying the control system. [Structure] An outlet (13) of a casing (11) is provided with a vertical louver (2) via a vertical pin (21) and a horizontal louver (3) via a horizontal pin (32). .. A single motor (5) connected to the horizontal pin (32) is provided, and a first swing mechanism (6) connected to the motor (5) to swing the vertical louver is provided. Then, the support member (71) that engages and disengages with the motor body (51) is disengaged from the support member (71) and the motor body (51), and engages with the support member (71). And a spring (72) of the support member (71). The motor body (51) is formed by the engagement of the support member (71) and the transmission member (73).
A second swing mechanism (7) is provided for rotating the horizontal louver (3) by rotating the.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wind direction changing device provided in an air conditioner or the like, and more particularly to a louver swing mechanism.

[0002]

2. Description of the Related Art Generally, a casing of an air conditioner is provided with a blowout port for blowing out conditioned air that has undergone heat exchange, and the blowout port is provided with a wind direction changing device for changing the blowing direction of the conditioned air. ..

Japanese Patent Application Laid-Open No. 62-131 discloses the wind direction changing device.
As disclosed in Japanese Patent No. 139, one horizontal louver and a plurality of vertical louvers are provided, and each louver is configured to be connected to a motor via a link mechanism or the like. Then, by driving the motor to swing the horizontal louver in the vertical direction and swinging the vertical louver in the horizontal direction, the conditioned air is blown out in a predetermined direction so as to improve comfort. There is.

[0004]

In the wind direction changing device of the air conditioner described above, the horizontal louver and the vertical louver are connected to the motor. The special motor for swinging the horizontal louver and the vertical louver are swung. A dedicated motor for moving each was provided, and the horizontal louver and the vertical louver were driven by different systems.

However, in this case, since two drive sources are provided, there are problems that the number of parts is large and the cost is high, and that the installation space for the motor is large.

Further, when controlling the horizontal louver and the vertical louver, it is necessary to drive and control both motors, which causes a problem that the control system becomes complicated.

The present invention has been made in view of the above point, and two types of louvers are swung by one driving source to reduce the number of parts and space, while controlling. The purpose is to simplify the system.

[0008]

In order to achieve the above-mentioned object, the means taken by the present invention is such that the rotary driving means itself can be rotated by the rotational force of one rotary driving means so that the two louvers are shaken. It was made to move.

Specifically, as shown in FIG. 1, the means implemented by the invention according to claim 1 is such that, first, an air outlet (13) is provided to open the casing (11) to blow out air, and A first louver (2) swinging around a first pivot pin (21) in a predetermined direction and a second louver pin (32) in a different direction from the first pivot pin (21). A moving second louver (3) is provided at the outlet (13). Further, there is provided one rotation drive means (5) comprising a drive body (51) integrally connected to the second pivot pin (32) and a rotation shaft (52) protrudingly provided. Further, it is connected to the rotary shaft (52) of the rotary drive means (5) and the first louver (2) to swing the first louver (2) around the first pivot pin (21). First swinging means (6)
Is provided. In addition, a support member (71) movably provided to engage and disengage the drive body (51) of the rotation drive means (5) to fix and release the drive body (51); Rotating shaft (52) of driving means (5)
Is mounted on the support member (71) and is detachably attached to the support member (71).
A transmission member (73) that engages with the support member (71) when disengaged from the drive body (51);
Urging means (72) for urging in the engaging direction of the second member, and the rotation driving means (5) is rotated by the engagement of the support member (71) and the transmission member (73). Pivot pin (3
A second swing means (7) for swinging the second louver (3) is provided around the center 2).

[0010]

With the above structure, in the invention according to claim 1,
Air is blown out from the air outlet (13) of the casing (11), for example, conditioned air such as heat-exchanged cold air is blown out. Then, when the rotation driving means (5) is driven, the rotation of the rotation driving means (5) is transmitted from the rotation shaft (52) to the first swinging means (6), and the first swinging means (6) is moved. First
The louver (2) is swung about the first pivot pin (21).

On the other hand, the transmission member (73) rotates together with the rotation shaft (52) by the drive of the rotation driving means (5). Then, the transmission member (73) disengages the support member (71) from the drive body (51) and releases the engagement between the support member (71) and the drive body (51). The transmission member (73) engages with the support member (71), and the rotation driving means (5) itself is rotated by the driving of the rotation driving means (5), and the second pivot pin (32) is rotated. The second louver (3) is swung.

The direction of the air blown out from the air outlet (13) is changed by swinging the louvers (2) and (3).

[0013]

Therefore, according to the invention of claim 1,
Since the first louver (2) is swung by the drive of one rotation driving means (5) and the second louver (3) is swung by the rotation of the rotation driving means (5) itself, 2 Since the louvers (2) and (3) of different types are swung by one drive source, the number of drive sources can be reduced and the number of parts can be reduced as compared with the conventional one, which is inexpensive. Can be Furthermore, since the installation space for the rotation drive means (5) can be reduced, the overall size of the device can be reduced. Furthermore, since the swing of both louvers (2) and (3) can be controlled by controlling the driving of only one rotation driving means (5), the control system can be simplified.

[0014]

Embodiments of the present invention will now be described in detail with reference to the drawings.

As shown in FIG. 17, (1) is an air conditioner to which the present invention is applied, and is of a wall-hanging type which is attached to a wall surface in a room. The casing (11) of the air conditioner (1) is formed in a slightly oblong rectangular body, and an air inlet (12) is opened in the upper part of the front surface and an air outlet (13) is opened in the lower part of the front surface. Although not shown, a blower fan, a heat exchanger, etc. are housed inside. Then, the blower fan is driven to suck indoor air into the casing (11) through the suction port (12), heat is exchanged by a heat exchanger to generate conditioned air such as cold air, and the conditioned air is blown out ( 13) It is designed to blow out indoors.

As shown in FIG. 1, a vertical louver (2), which is a plurality of first louvers, is provided at the air outlet (13).
(2), ... And two horizontal louvers (3) and (3) which are two second louvers are provided, and each louver (2),
The drive mechanism (4) is linked to (3). The horizontal louvers (3) are arranged over both left and right ends of the outlet (13), and are arranged at equal intervals in the left-right direction of the outlet. And both the horizontal louvers (3), (3)
Is integrally fixed by a side plate (31), and a horizontal pin (32) which is a second pivot pin is provided on the side plate (31) so as to project in the left-right direction. The horizontal louver (3) is pivotally supported by the casing (11) via a bracket (14) so as to be vertically swingable. On the other hand, the vertical louvers (2), (2), ... Are arranged in the vertical direction of the air outlet (13) and are arranged at substantially equal intervals in the left-right direction of the air outlet (13). The vertical louver (2) is provided with a vertical pin (21), which is a first pivot support pin in a direction orthogonal to the horizontal pin (32), on the upper and lower surfaces of the vertical louver (2) so as to project in the vertical direction.
1) is pivotally supported by the horizontal louvers (3), (3) so as to be swingable in the left-right direction.

Next, a drive mechanism (4) which is a feature of the present invention.
Will be described.

As shown in FIGS. 2 to 5, the drive mechanism (4) includes one stepping motor (5), a first swing mechanism (6) as a first swing means, and a second swing mechanism (6). A second swing mechanism (7), which is a swing means, is provided, and is configured to swing each louver (2), (3). The one stepping motor (5) constitutes one rotation driving means, and the stepping motor (5) has a rotary shaft (52) protruding from the motor main body (51) which is a drive main body. The motor body (51) is directly connected to the horizontal pin (32) and is arranged in a direction in which the rotary shaft (52) and the horizontal pin (32) are orthogonal to each other.

The first swinging mechanism (6) includes a rotary shaft (52) of the stepping motor (5), a vertical louver (2),
(2), ... and the vertical louvers (2), (2),
... swings the disk member (61) and the connecting rod (6
2) and. The disc member (61) is integrally attached to the rotary shaft (52) of the stepping motor (5), and a pin (63) is provided on the outer peripheral edge of the rear surface so as to project.

The connecting rod (62) is, as shown in FIGS. 6 to 11, a rotary shaft (5) of the stepping motor (5).
The vertical louvers (2), (2), ... Are oscillated by changing the rotational motion of 2) into a linear motion, and the vertical louvers (3), (3) are penetrated through the side plates (31) of It is arranged in the left-right direction of the air outlet (13). Further, a drive-side slider frame (64) and a louver-side slider frame (65) are formed on the connecting rod (62), and the drive-side slider frame (64) and the back surface of the disc member (61) are formed. The pin (63) is inserted in parallel and is inserted into the pin (63).
The rotation of the connecting rod (62) causes linear movement. The louver-side slider frame (65) is provided below the front end of each vertical louver (2), is formed in the front-back direction of the air outlet (13), and is below the front end of each vertical louver (2). A pin (66) projecting from the above is inserted, and the vertical louvers (2), (2), ... Are swung by the linear movement of the connecting rod (62).

The second swinging mechanism (7) is shown in FIGS.
As shown in FIG. 6, the horizontal louvers (3) and (3) are swung by the rotation of the stepping motor (5) itself, and a supporting member (71) for fixedly supporting the stepping motor (5), A spring (7
2) and a transmission member (73).

The support member (71) has a U-shaped support frame (71a) integrally formed with a circular plate (71b) at one end and a fixed gear (71c) at the other end, and a clutch (74). ) Is provided and configured. The support frame (71a) is provided on the casing (11) so as to be movable in parallel with the axial direction of the horizontal pin (32). Further, the fixed gear (71c) is formed of a bevel gear, and the fixed gear (71c) and the circular plate (71b) are located on both sides of the stepping motor (5) and are connected to the horizontal pin (32). The circular plate (71b) is arranged on the axis, and the circular plate (71b) is externally fitted to the horizontal pin (32) so that the horizontal pin (32) is rotatable with respect to the support member (71). ..

The clutch (74) has a horizontal pin (3
2) A circular plate (71b) and a motor body (51) coaxially with each other.
And a pair of clutch pieces (74a), (74a) having triangular teeth, one clutch piece (74a) fixed to the circular plate (71b) and the other clutch piece (74a). ) Is fixed to the motor body (51). Then, both clutch pieces (74a), (74
The circular plate (71b) and the motor main body (5
1) is engaged with.

The spring (72) has a support member (7).
1) is urged in the engagement direction (right direction in FIGS. 1 to 4) of both clutch pieces (74a) and (74a), and the support member (71) and the motor main body (51) are integrally formed. Engaged.

The transmission member (73) is formed on the movable gear (73a) integrally fitted to the rotary shaft (52) of the stepping motor (5) and a part of the outer peripheral edge of the disc member (61). It is composed of a projected protrusion (73b). The movable gear (73a) is a bevel gear integrally formed with the disc member (61), is rotated by the driving of the stepping motor (5), and is provided so as to be meshable with the fixed gear (71c). Has been. Further, when the protrusion (73b) rotates together with the movable gear (73a) and comes into contact with the circular plate (71b), the support member (71).
Against the spring force of the spring (72)
1) The stepping motor (5) moves in a direction away from the movable gear (73a) and meshes with the fixed gear (71c).
At the same time, the horizontal pin (32) is adapted to rotate.

Next, the operation of the drive mechanism (4) will be described.

When one stepping motor (5) is driven, the rotary shaft (52) rotates and the disk member (61) and the movable gear (73a) rotate. Therefore, first, a case where only the vertical louvers (2), (2), ... Are rocked will be described.

When only the vertical louvers (2), (2), ... Are swung, as shown in FIGS. 6, 8 and 10.
The protrusion (73b) is at the upper position, and the disc member (6
The stepping motor (5) is rotated forward and backward by 180 degrees so that the pin (63) of 1) reciprocally rotates by half a rotation toward the circular plate (71b) from the farthest state on the fixed gear (71c) side. .. That is, in order to prevent the protrusion (73b) from coming into contact with the circular plate (61), the protrusion (73b) is 90 degrees above and below the position farthest from the circular plate (61) (see FIG. 8) (total). 180 degree) Forward and reverse. Specifically, the rotation of the disc member (61) causes the pin (63) protruding from the disc member (61) to rotate,
The pin (63) is rotated and the slider frame (6
4) Moving inside, the connecting rod (62) makes a reciprocating linear motion in the axial direction. By the movement of the connecting rod (62), the pins (66) of the vertical louvers (2), (2), ... Are moved to the louver side slider frame (65) as shown in FIGS. 7, 9 and 11. While moving inside, it moves to the left and right, and each vertical louver (2), (2), ...
(21), swings left and right around the center. At this time, the support frame (71a) of the second swing mechanism (7) is the spring (72).
Of the stepping motor (5) is fixedly supported by the support member (71), and the projections (73b) are urged in the direction in which the clutch pieces (74a), (74a) are meshed with each other. Does not contact the circular plate (71b), the stepping motor (5) itself does not rotate, the horizontal louvers (3), (3) remain stationary, and the vertical louvers (2), (2), ... Only the swing will occur.

Next, the vertical louvers (2), (2), ...
The case of simultaneously swinging the horizontal louvers (3) and (3) will be described.

First, as shown in FIG.
The stepping motor (5) is rotated forward and backward twice every two rotations (720 degrees) from the state where b) is located above. Then, when the horizontal louvers (3) and (3) are positioned substantially horizontally (see FIG. 12) and the stepping motor (5) is rotated in the normal direction (direction of FIG. 12A), the projection (73b) causes the circular plate ( Until the contact with 71b), only the vertical louvers (2), (2), ... Swing as described above, while when the protrusion (73b) contacts the circular plate (71b), the support member (71) ) Slides against the spring force of the spring (72), and as shown in FIGS. 13 and 14, the support member (71) moves to the left and the clutch (74) is disengaged. At the same time, the movable gear (73a) changes to the fixed gear (7a).
1c) and the movable gear (73a) is rotated by the driving of the stepping motor (5).
a) together with the stepping motor (5) the horizontal pin (3
It rotates around the axis of 2). Then, the horizontal pin (32) is rotated by the rotation of the stepping motor (5) itself, and the horizontal louvers (3) and (3) are rotated slightly downward by one step.

Thereafter, as the rotation of the rotary gear progresses, as shown in FIGS. 15 and 16, the projection (73b) separates from the circular plate (71b), and both clutch pieces (74a) of the clutch (74), At the same time that (74a) is engaged, the movable gear (73a) is separated from the fixed gear (71c), the motor body (51) is fixedly supported by the support member (71), and the rotation of the horizontal pin (32) is stopped. Horizontal louver (3),
(3) stops at a predetermined angle.

Then, only the vertical louvers (2), (2), ... Swing until the protrusion (73b) again contacts the circular plate (71b) as the rotation of the movable gear (73a) advances. When the protrusion (73b) again contacts the circular plate (71b), the operations shown in FIGS. 12 to 16 are performed, and the horizontal louvers (3) and (3) are rotated further downward.
When the movable gear (73a) rotates, the horizontal louvers (3) and (3) stop again.

When the movable gear (73a) makes two revolutions,
Next, the stepping motor (5) rotates in the reverse direction to reverse the above operation, and the horizontal louvers (3), (3) rotate upward in two steps to return to the horizontal state. Then, the vertical louvers (2), (2), ... Are oscillated by the normal rotation and the reverse rotation of the stepping motor (5) every two rotations, and the horizontal louvers (3) and (3) are intermittently moved to two. Swing vertically in steps.

Then, the blowing direction of the conditioned air is changed by swinging the louvers (2) and (3).

Therefore, the vertical louvers (2), (2), ... Are oscillated by driving the one stepping motor (5), and the horizontal louvers (3), () are rotated by the rotation of the stepping motor (5) itself. Since 3) is swung, the two types of louvers (2) and (3) are swung with one driving source, so that the number of driving sources can be reduced as compared with the conventional one, and the number of parts can be increased. Since it can be reduced, it can be made inexpensive. Furthermore, since the installation space for the stepping motor (5) can be reduced, the overall size of the device can be reduced. Furthermore, by controlling the driving of only one stepping motor (5), both louvers (2),
Since the swing of (3) can be controlled, the control system can be simplified.

In this embodiment, the horizontal louver (3) is intermittently oscillated in two steps. However, in the present invention, the horizontal louver (3) is intermittently moved in one step or in three or more steps. It may be rocked or may be rocked continuously.

The first swinging mechanism (6) is not limited to the embodiment, and may be constituted by various link mechanisms or the like. In short, the first louver (2) is swung by the rotation from the stepping motor (5). It may be any mechanism that moves it.

The louvers (2) and (3) are not limited to the vertical and horizontal louvers (3) and (3), and two kinds of louvers having different directions may be used. ..

Further, although the vertical louver (2) is pivotally supported on the horizontal louver (3), it may be pivotally supported directly on the casing (11).

The rotation driving means of the present invention is not limited to the stepping motor (5).

The present invention is not limited to the air conditioner.

[Brief description of drawings]

FIG. 1 is a perspective view of a wind direction changing device.

FIG. 2 is a front view of a wind direction changing device.

FIG. 3 is a partially omitted plan view of the wind direction changing device.

FIG. 4 is a rear view of the wind direction changing device.

FIG. 5 is a side view of the wind direction changing device.

FIG. 6 is a drive-side front view of the first swing mechanism showing the right end position of the vertical louver.

FIG. 7 is a louver-side front view of the first swing mechanism showing the right end position of the vertical louver.

FIG. 8 is a drive-side front view of the first swing mechanism showing the central position of the vertical louver.

FIG. 9 is a louver-side front view of the first swing mechanism showing the central position of the vertical louver.

FIG. 10 is a drive-side front view of the first swing mechanism showing the left end position of the vertical louver.

FIG. 11 is a louver side front view of the first swing mechanism showing the left end position of the vertical louver.

FIG. 12 is a drive-side front view of a second swing mechanism showing a horizontal position of a horizontal louver.

FIG. 13 is a drive-side plan view of the second swing mechanism showing the horizontal position of the horizontal louver.

FIG. 14 is a drive-side front view of the second swing mechanism showing the horizontal louver being lowered.

FIG. 15 is a drive-side front view of the second swinging mechanism after the horizontal louver is lowered.

FIG. 16 is a plan view of the driving side of the second swinging mechanism after the horizontal louver is lowered.

FIG. 17 is a front view of the air conditioner.

[Explanation of symbols]

 2 Vertical louver (first louver) 3 Horizontal louver (second louver) 5 Stepping motor (rotational drive means) 6 First swing mechanism (first swing means) 7 Second swing mechanism (second swing means) 11 Casing 12 Air outlet 21 Vertical pin (first pivot pin) 32 Horizontal pin (second pivot pin) 51 Motor body (drive body) 52 Rotating shaft 62 Connecting rod 71 Support member 72 Spring (biasing means) 73 Transmission Material 74 Clutch

Claims (1)

Claims: What is claimed is: 1. A blowout port (13) which is opened in a casing (11) and blows out air, and a first pivot pin (21) which is provided in the blowout port (13) and which is provided in a predetermined direction. ) About the 1st louver (2), and the said 1st pivot pin (21) provided in the said blower outlet (13).
A second louver (3) swinging around a second pivot pin (32) in a direction different from that of the rotation shaft (1) integrally connected to the second pivot pin (32) and a drive shaft (51). 52) protrudingly provided with one rotation driving means (5), the rotation shaft (52) of the rotation driving means (5) and the first louver (2) connected to the first louver (2). ) Is the first
The first swinging means (6) for swinging around the pivot pin (21) and the drive body (51) of the rotary drive means (5) are engaged and disengaged to fix the drive body (51). A support member (71) movably provided to release the lock member is attached to the rotation shaft (52) of the rotation driving means (5) and is detachably attached to the support member (71). A transmission member (73) that engages with the support member (71) when the support member (71) and the drive body (51) are disengaged, and the support member (71) is attached to the drive body (51) in the engaging direction. Urging means (72) for urging the second driving pin (7) and the transmission member (73) to rotate the rotation driving means (5) to rotate the second pivot pin ( 32) and a second swing means (7) for swinging the second louver (3). Wind direction changing device.